LEE, JOHN R.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G09B EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS 439
 
  
 
B64C AEROPLANES; HELICOPTERS 173

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6241195 Extendable/retractable airfoil assembly for fixed wing aircraftSep 22, 99Jun 05, 01[B64C]
6064856 Master workstation which communicates with a plurality of slave workstations in an educational systemMar 23, 98May 16, 00[G09B]
5788508 Interactive computer aided natural learning method and apparatusJun 07, 95Aug 04, 98[G09B]
5441415 Interactive computer aided natural learning method and apparatusDec 06, 93Aug 15, 95[G09B]
5267865 Interactive computer aided natural learning method and apparatusFeb 11, 92Dec 07, 93[G09B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5221828 Heated wiper blade using conductive elastomerExpiredJul 16, 92Jun 22, 93[A47L, H05G, B60L]

Top Inventors for This Owner

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